// JavaScript Document
var ajax = new Array();
function defcollege(City_id,college_id)
{
get_college(City_id,college_id);
}
function get_college(City_id,college_id)
{
	document.getElementById('college_name').options.length =0;	// Empty Degination select box
	if(City_id > 0)
	{
		var index = ajax.length;
		ajax[index] = new sack();
		ajax[index].requestFile ='/ajaxphp/get_college.php?city_id='+City_id+'&inst_id='+college_id;
		ajax[index].onCompletion = function(){ createCollege(index) };
		ajax[index].runAJAX();		// Execute AJAX function
	}
}

function createCollege(index)
{
	var obj = document.getElementById('college_name');
	eval(ajax[index].response);	// Executing the response from Ajax as Javascript code	
}